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211202202012202 = 2168893625254457
BaseRepresentation
bin110000000001011001011000…
…001110100000101000101010
31000200210201210121001020020201
4300001121120032200220222
5210140314102203342302
62025104541355542414
762325566311324612
oct6001313016405052
91020721717036221
10211202202012202
1161328395007855
121b83049a15aa0a
1390b0388c895ab
143a223538bda42
151963cc2185c87
hexc016583a0a2a

211202202012202 has 8 divisors (see below), whose sum is σ = 316805179288356. Its totient is φ = 105600475582752.

The previous prime is 211202202012157. The next prime is 211202202012271. The reversal of 211202202012202 is 202210202202112.

It can be written as a sum of positive squares in 2 ways, for example, as 119643541072561 + 91558660939641 = 10938169^2 + 9568629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 211202202012202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312289443 + ... + 312965014.

Almost surely, 2211202202012202 is an apocalyptic number.

211202202012202 is a deficient number, since it is larger than the sum of its proper divisors (105602977276154).

211202202012202 is a wasteful number, since it uses less digits than its factorization.

211202202012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625423352.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 211202202012202 its reverse (202210202202112), we get a palindrome (413412404214314).

The spelling of 211202202012202 in words is "two hundred eleven trillion, two hundred two billion, two hundred two million, twelve thousand, two hundred two".

Divisors: 1 2 168893 337786 625254457 1250508914 105601101006101 211202202012202